While women are aware of family planning (FP) methods in Nigeria, the unmet need for modern contraception remains high. We assessed the association between male partner opposition to FP and unmet need for modern contraception among women seeking anti-retroviral therapy (ART), HIV counseling and testing (HCT) and prevention-of-mother-to-child-transmission of HIV (PMTCT) services in Cross-River State, Nigeria. This secondary analysis used data from a facility-based FP/HIV integration study. Logistic regression was used to model the association of interest. Unmet need for modern contraception was high among all clients . ART (49%), HCT (75%), and PMTCT (32%). Perceived partner opposition to FP was widespread (≥70%); however, multivariate analysis showed no significant association with unmet need for modern contraception. Significant covariates were womanfs age, marital status, parity, and previous use of modern contraception. Efforts to improve modern contraceptive use among women at risk of HIV infection in Nigeria should contemplate involving their male partners. Afr J Reprod Health 2014; 18[2]: 134-143).